| 发明名称 |
Refractory composition for the prevention of alumina clogging |
| 摘要 |
A molten steel pouring nozzle having a bore therethrough, at least a portion of the nozzle forming the bore being comprised of a refractory having calcium zirconate: from 20 to 75 weight %, graphite: from 5 to 30 weight %, and calcium silicide: from 0.5 to 15 weight %. |
| 申请公布号 |
ZA9806964(B) |
申请公布日期 |
1999.02.05 |
| 申请号 |
ZA19980006964 |
申请日期 |
1998.08.04 |
| 申请人 |
NORTH AMERICAN REFRACTORIES CO. |
发明人 |
REGIS M. PERICH;TOMAS RICHTER |
| 分类号 |
B22D11/10;B22D41/54;C04B35/48 |
主分类号 |
B22D11/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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